Question

define friction and its type

Answer 1

Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases.

Answer 2

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FRICTION ➡️FRICTION IS THE FORCE WHICH OPPOSES THE MOTION OF THE OBJECT WHENEVER IT [ OBJECT] SLIDES OR ROLLS [OR BUY TO SLIDE OR ROLL] OVER THE OBJECT

NOTE : FORCE OF FRICTION ALWAYS ACTS IN THE DIRECTION OPPOSITE TO THE DIRECTION OF MOTION...

THE TYPES OF FRICTION ARE :-
✨STATIC FRICTION - WHEN WE APPLY SOME FORCE ON ANY OBJECT IN ORDER TO MOVE IT BUT THE OBJECT REMAINS STATIONARY THEN FRICTION ACTING IN THIS CASE IS KNOW AS STATIC FRICTION.

✨LIMITING FRICTION - WHEN WE APPLY SOME FORCE ON ANY OBJECT THEN DUE TO STATIC FRICTION OBJECT REMAIN STATIONARY WHEN WE INCREASE THE APPLIED FORCE THEN STATIC FRICTION IS NOT CAPABLE TO INCREASE IT'S VALUE. THIS MAXIMUM STATIC FRICTION IS KNOWN AS LIMITING FRICTION.

✨KINETIC FRICTION - FRICTION ACTING THE KINETIC POSITION OF THE OBJECT KNOWN AS KINETIC FRICTION.

✨ROLLING FRICTION - WHENEVER ANY OBJECT ROLLS OVER THE ANOTHER OBJECT THEN FRICTION IS ACTING IN THE CASE IS KNOWN AS ROLLING FRICTION.

✨SLIDING FRICTION - WHENEVER ANY OBJECT SLIDES OVER THE ANOTHER OBJECT THEN FRICTION IS ACTING IN THIS CASE IS KNOWN AS SLIDING FRICTION.

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